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Definition of noble metal in English: noble metalnoun Chemistry A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids. Example sentencesExamples - This is done by passing the waste gases through a matrix of platinum and other noble metals.
- Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.
- On the one hand, this noble metal facilitates the chemical reaction that produces electricity, but on the other hand it is very expensive.
- All are rare, expensive, and classified chemically as noble metals.
- In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects.
Definition of noble metal in US English: noble metalnounˈnoʊbəl ˈmɛdl Chemistry A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids. Example sentencesExamples - In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects.
- On the one hand, this noble metal facilitates the chemical reaction that produces electricity, but on the other hand it is very expensive.
- This is done by passing the waste gases through a matrix of platinum and other noble metals.
- All are rare, expensive, and classified chemically as noble metals.
- Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.
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